Family: Paroral dikinetid ciliated entire length, not curved bypellicular structures (Illustrated Guide, 1985).
Genus: Oral polykinetids straight, never sigmoid (Illustrated Guide, 1985).
Small, ovoid or pyriform, anterior pointed; cytostome anterior 1/3 of body where an undulating membrane
on the right and three small membranelles on the left; macrostome forms with large buccal ciliation;
somatic ciliation complete; a contractile vacuole terminal; a spherical macronucleus central (Carey, 1992).
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
